EP1486371A2 - Flurförderzeug - Google Patents
Flurförderzeug Download PDFInfo
- Publication number
- EP1486371A2 EP1486371A2 EP04013679A EP04013679A EP1486371A2 EP 1486371 A2 EP1486371 A2 EP 1486371A2 EP 04013679 A EP04013679 A EP 04013679A EP 04013679 A EP04013679 A EP 04013679A EP 1486371 A2 EP1486371 A2 EP 1486371A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- truck according
- truck
- operating time
- energy
- remaining operating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 15
- 238000004364 calculation method Methods 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 10
- 238000012935 Averaging Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/60—Electric or hybrid propulsion means for production processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the invention relates to a truck with a entrained energy storage and at least one power source powered by it.
- trucks There are different forms of training, for example as a forklift or Pallet truck, with an electric or an internal combustion engine drive, with an energy store in the form of a battery or a tank for liquid and / or gaseous fuels.
- the energy from the energy store can be directly in the drive be implemented, for example, in an electric motor drive, the one Battery is powered, or converted via an intermediate step, For example, in a fuel cell system or in the operation of a generator for Generation of electrical energy.
- the invention is therefore an object of the invention to provide a truck, the It allows an operator to easily and reliably to exhaustion of the Energy storage to estimate remaining operating options.
- This object is achieved in that a device for Display of the remaining operating time is available.
- a time is for one Operator much better understandable than an energy indicator. So can the For example, the operator can estimate well whether the energy supply is still up to one Shift change or end of operation is sufficient.
- inexperienced Operators using the capacity of the power source and the energy consumption are not familiar with the truck, you can use the truck plan reliably.
- Analogue displays are very easy to read and therefore steer the Operator not unnecessarily long from the operator.
- the display of the remaining operating time through a digital display preferably in hours and / or minutes. This allows a particularly accurate indication of the remaining term.
- the time period for calculating the average extracted power preferably several hours to a few days and Operating and standstill times are taken into account. This will be a special specified for longer term operation, since the typical operation of the Truck, also taking into account periods of low activity or of Standstill, serves as the basis of the indication.
- the time span for Calculation of average extracted power less than one hour, preferably the last 2 minutes, and preferably only operating times of the Forklift considered.
- the remaining operating time to be displayed is from the Content of the energy storage and the maximum of the energy storage removable Performance is predictable. This allows an estimation of the minimum operating time, which is guaranteed even at maximum load of the truck.
- the remaining one to be displayed is Operating time from the contents of the energy storage and one for the truck typical or standardized operating conditions determined energy consumption predictable. If the truck is going largely according to these conditions is an accurate prediction of operating time with little effort possible.
- the calculation method for the remaining Operating time is variable depending on the operating condition. This can be a be selected based on the operating conditions calculation method, whereby a more accurate display is achieved.
- the remaining operating distance can be displayed.
- industrial trucks which are essentially for Transport tasks are used on long routes and, for example, rarely Lifting loads is the indication of the remaining range, for example for a return to a charging station, an essential indication for the operator.
- an expedient embodiment of the invention is as energy storage a Battery used. Batteries are common in industrial trucks with energy sources simple power supply. The energy content and the supplied respectively taken energy can be determined easily and accurately.
- a tank for liquid and / or gaseous fuels used.
- the operation of Industrial trucks with liquid or gaseous fuels is widespread and possible without complex infrastructure.
- FIG. 1 shows a schematic wiring diagram for a truck with a than Battery 1 formed energy storage, designed as an electric motor 2 Drive and an electronic control unit 3, which with a display unit 4 in Active compound is.
- Battery 1 formed energy storage
- an electric motor 2 Drive and an electronic control unit 3
- a display unit 4 in Active compound is.
- Other typical components of a truck after the State of the art, for example, controls, other drives, electrical Consumers or sensors that are not to the understanding of the embodiment are required are not shown.
- the battery 1 can use electrical energy either via the terminals 5 for a not shown here charger or from the energy recovery of Electric motor 2 are supplied.
- the state of charge of the battery 1 is over the Control unit 3 monitored. For example, the supplied via a charger Energy amount determined by a measuring device 6.
- the to the electric motor. 2 delivered or given by energy recovery from this Energy is also in the control unit 3, for example by measuring the Electricity between the battery 1 and the electric motor 2 detected. This is the result State of charge of the battery 1 always known.
- Electric motor 2 By measuring the current between the battery 1 and the electric motor 2 is also the determined power and from it over a certain period of time Electric motor 2 recorded average power calculated. Is this about a longer period, such as days or weeks, but at least some Hours, for example, a working shift, so is the power requirement of Truck well-known in its typical range of applications. Also the thereby typical operating breaks are in this way considered. The quotient of average power consumption and energy content of the Energy storage 1 is thus directly the remaining at this power consumption Remaining term. The remaining time is displayed in the display unit 4 to the operator übermitttelt.
- an optical display 7 which the Remaining time in the form of a bar chart represents.
- the optical display 7 directs the Operator does not work and is quick to grasp by this.
- Other common display forms for example via a pointer representation or a Series of identical or different colored LEDs are also conceivable. Such representations are indeed well detectable, but do not offer very large Reading accuracy.
- a digital display 8 is provided which the Remaining time in hours and minutes indicates. It may also be one already for others Display intended device to be used, which the operator at Need to switch to the desired time display.
- the period of time for averaging the power absorbed by the electric motor 2 can be varied. This setting can be done by a service technician during maintenance of the truck are made, but there are also embodiments possible in which this vorOSEbar via an operating element by the operator is. This allows an adjustment of the time span to the typical Operating conditions of the truck are made. Change each longer phases of strong and weak stress, an averaging Over a period of time that includes both phases, heavy duty too lead to an overestimation of the residual maturity.
- Another way to calculate the remaining time is to use the Quotient of the maximum possible power consumption of the truck and to form the energy content of the energy storage device 1. This will add the remaining time Continuous operation with maximum possible load and thus delivers the shortest possible remaining time. Since the maximum load in practice not as a continuous load is realized in this calculation method is still a sufficient Safety reserve for operating the truck, if the display is already on End of the term signaled.
- the remaining term as a quotient of one for the Industrial truck determined under typical or standardized operating conditions Power consumption and the capacity of the battery 1 calculated. These Power consumption, for example, in the manufacturer's side in experiments or in a Trial operation at the site to be determined. As in this embodiment no determination of the current flowing from the battery 1 to the electric motor 2, and Thus, no calculation of the average power is needed, the specified Remaining maturity in this method are relatively easy to be determined. This can be useful Method can also be used after longer downtimes of the truck, to obtain an estimate of the remaining operating time, if it can be assumed that the operating conditions have changed.
- the operator can in the present embodiment, the Calculation method for determining the remaining time via the switch 10 itself choose.
- This allows the operator to set the operating requirements and their Needs to use optimal method.
- This switchover is possible at any time for example, to compare the results of different methods can.
- An indication of the chosen method for example by the position of the Switch 10 or a representation in the display unit 4, allows it at any time recognize how the remaining term is calculated.
- the time span used for averaging can also be adjusted automatically and, for example, for longer Phases of high power consumption, interrupted by longer breaks be chosen so that the breaks are not taken into account to make sure To go that ads 7.8 during the phases of large power consumption do not display too large values for the remaining term.
- the operator is alerted by a warning to the undershooting of a certain Remaining operating time noted.
- a warning lamp 11 In the present embodiment is in the Display unit provided a warning lamp 11, but there are others Embodiments of the prior art, for example, an acoustic signal or an indication on a display screen.
- Fork truck according to the prior art possible, for example with a Combustion engine, which is either directly connected to a traction drive in operative connection stands or electric or hydraulic energy for travel and / or lifting drives to Provides.
- a fuel cell system is conceivable, the for example, draws its energy from a hydrogen or methanol tank.
- the Energy content of the tank for example, via a level measurement and the extracted energy determined by measuring the amount of fuel removed.
- the measurement of the delivered Electricity conceivable.
- Different fuels can be used in the Calculation of the residual maturity may be an adjustment to the different specific energy content of different fuels make.
- a residual run can be displayed. This can, for example via speed sensors on a drive motor or on a running or driving wheel of the truck, the track and the middle Speed are determined and the product of medium speed and Remaining run time can be specified as residual runtime.
Abstract
Description
Claims (15)
- Flurförderzeug mit einem mitgeführten Energiespeicher (1) und mindestens einem daraus mit Energie versorgten Antrieb (2), dadurch gekennzeichnet, dass eine Vorrichtung (4) zur Anzeige der verbleibenden Betriebszeit vorhanden ist.
- Flurförderzeug nach Anspruch 1, dadurch gekennzeichnet, dass die Anzeige der verbleibenden Betriebszeit durch eine analoge Anzeige (7), insbesondere ein Balkendiagramm oder eine Zeigerdarstellung, erfolgt.
- Flurförderzeug nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Anzeige der verbleibenden Betriebszeit durch eine digitale Anzeige (8), vorzugsweise in Stunden und/oder Minuten, erfolgt.
- Flurförderzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die anzuzeigende verbleibende Betriebszeit aus dem Inhalt des Energiespeichers (1) und der während einer bestimmten Zeitspanne entnommenen mittleren Leistung berechenbar ist.
- Flurförderzeug nach Anspruch 4, dadurch gekennzeichnet, dass die Zeitspanne zur Berechnung der mittleren entnommenen Leistung vorzugsweise mehrere Stunden bis wenige Tage umfasst und Betriebs- und Stillstandzeiten berücksichtigt werden.
- Flurförderzeug nach Anspruch 4, dadurch gekennzeichnet, dass die Zeitspanne zur Berechnung der mittleren entnommenen Leistung weniger als eine Stunde, vorzugsweise die letzten 2 Minuten, umfasst und vorzugsweise nur Betriebszeiten des Flurförderzeugs berücksichtigt werden.
- Flurförderzeug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Zeitspanne, die zur Mittelung der entnommenen Leistung verwendet wird, variierbar ist.
- Flurförderzeug nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die anzuzeigende verbleibende Betriebszeit aus dem Inhalt des Energiespeichers (1) und der maximal dem Energiespeicher (1) entnehmbaren Leistung berechenbar ist.
- Flurförderzeug nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die anzuzeigende verbleibende Betriebszeit aus dem Inhalt des Energiespeichers (1) und einem für das Flurförderzeug bei typischen oder standardisierten Betriebsbedingungen ermittelten Energieverbrauch berechenbar ist.
- Flurförderzeug nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Berechnungsweise für die verbleibende Betriebszeit von der Bedienperson frei wählbar ist.
- Flurförderzeug nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Berechnungsweise für die verbleibende Betriebszeit in Abhängigkeit vom Betriebszustand veränderbar ist.
- Flurförderzeug nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass zusätzlich oder alternativ zur verbleibenden Betriebszeit die verbleibende Betriebsstrecke anzeigbar ist.
- Flurförderzeug nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass bei Unterschreiten einer bestimmten Restbetriebszeit ein Warnsignal auslösbar ist.
- Flurförderzeug nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass als Energiespeicher (1) eine Batterie verwendet wird.
- Flurförderzeug nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass als Energiespeicher (1) ein Tank für flüssige und/oder gasförmige Betriebsstoffe verwendet wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10326309A DE10326309A1 (de) | 2003-06-11 | 2003-06-11 | Flurförderzeug |
DE10326309 | 2003-06-11 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP1486371A2 true EP1486371A2 (de) | 2004-12-15 |
EP1486371A3 EP1486371A3 (de) | 2010-04-14 |
EP1486371B1 EP1486371B1 (de) | 2018-04-11 |
EP1486371B9 EP1486371B9 (de) | 2018-07-25 |
Family
ID=33185743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04013679.8A Not-in-force EP1486371B9 (de) | 2003-06-11 | 2004-06-09 | Flurförderzeug |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060167609A1 (de) |
EP (1) | EP1486371B9 (de) |
DE (1) | DE10326309A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007053627B3 (de) * | 2007-11-10 | 2009-02-12 | Dräger Medical ANSY GmbH | Vorrichtung und Verfahren zur Ermittlung der Restnutzungsdauer eines Druckgasvorrates |
EP2977256A1 (de) * | 2014-07-24 | 2016-01-27 | Linde Material Handling GmbH | Verfahren zur steuerung einer lithiumionenbatterie eines flurförderzeugs |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010107870A2 (en) * | 2009-03-18 | 2010-09-23 | Crown Equipment Corporation | Fuel level meter for industrial vehicles |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4211230A1 (de) * | 1992-04-03 | 1993-10-07 | Ivoclar Ag Schaan | Wiederaufladbares Lichthärtgerät |
US5963140A (en) * | 1996-01-22 | 1999-10-05 | Honda Giken Kogyo Kabushiki Kaisha | Remaining battery energy indicating instrument |
US6313832B1 (en) * | 1998-03-10 | 2001-11-06 | Fujitsu Limited | Remaining battery capacity display device |
DE20202143U1 (de) * | 2002-02-12 | 2002-06-20 | Giant Mfg Co | Restleistungsanzeiger für eine Akkubatterie eines elektrisch betriebenen Fahrzeugs |
US20040100225A1 (en) * | 2002-11-20 | 2004-05-27 | Neil Robert Miles | Cooling and control system for battery charging |
Family Cites Families (19)
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JPS5496083A (en) * | 1978-01-14 | 1979-07-30 | Nissan Motor | Device for indicating distance which can be traveled with remaining fuel |
US4212195A (en) * | 1978-08-30 | 1980-07-15 | Young Michael R | System to measure fuel consumption of a vehicle |
JPS58221120A (ja) * | 1982-06-18 | 1983-12-22 | Hitachi Ltd | トリツプコンピユ−タ |
US5301113A (en) * | 1993-01-07 | 1994-04-05 | Ford Motor Company | Electronic system and method for calculating distance to empty for motorized vehicles |
EP0683382A3 (de) * | 1994-05-20 | 1996-08-14 | Ford Motor Co | Verfahren und System zur Berechnung des effektiven Brennstoffersparnisses. |
US5658013A (en) * | 1995-09-20 | 1997-08-19 | The Babcock & Wilcox Company | Fuel tank for vehicles for holding and dispensing both a liquid and gaseous fuel therein |
US5656919A (en) * | 1995-11-14 | 1997-08-12 | Cruising Equipment, Inc. | Accurate battery state-of-charge monitoring and indicating apparatus and method |
US5916298A (en) * | 1996-03-27 | 1999-06-29 | Bayerische Motoren Werke Aktiengesellscaft | Display unit for data dependent on a vehicle's energy consumption |
JP3288927B2 (ja) * | 1996-06-14 | 2002-06-04 | 日野自動車株式会社 | 車載電池の表示装置 |
KR100471551B1 (ko) * | 1996-05-24 | 2005-04-14 | 히노지도샤코교 가부시기가이샤 | 차재전지의제어장치 |
JP3703575B2 (ja) * | 1996-08-30 | 2005-10-05 | 日立建機株式会社 | 作業機械の稼動可能残時間予知装置 |
US6467337B2 (en) * | 1998-05-29 | 2002-10-22 | Mitsubishi Denki Kabushiki Kaisha | Device for calculating cruising range and method therefor |
US6554088B2 (en) * | 1998-09-14 | 2003-04-29 | Paice Corporation | Hybrid vehicles |
JP2000297443A (ja) * | 1999-04-15 | 2000-10-24 | Komatsu Ltd | 建設機械の情報管理装置 |
US6484088B1 (en) * | 1999-05-04 | 2002-11-19 | Ssi Technologies, Inc. | Fuel optimization system with improved fuel level sensor |
DE19959597C1 (de) * | 1999-12-10 | 2001-02-15 | Bayerische Motoren Werke Ag | Verfahren und Vorrichtung zur optischen Anzeige von Informationen in Kraftfahrzeugen |
JP3832237B2 (ja) * | 2000-09-22 | 2006-10-11 | 日産自動車株式会社 | ハイブリッド車の制御装置 |
DE10152809B4 (de) * | 2001-10-25 | 2004-07-22 | Daimlerchrysler Ag | Verfahren zum Betreiben eines Hybridantriebssystems |
DE10242619A1 (de) * | 2002-09-13 | 2004-03-18 | Still Gmbh | Flurförderzeug |
-
2003
- 2003-06-11 DE DE10326309A patent/DE10326309A1/de not_active Withdrawn
-
2004
- 2004-06-09 EP EP04013679.8A patent/EP1486371B9/de not_active Not-in-force
- 2004-06-10 US US10/865,502 patent/US20060167609A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4211230A1 (de) * | 1992-04-03 | 1993-10-07 | Ivoclar Ag Schaan | Wiederaufladbares Lichthärtgerät |
US5963140A (en) * | 1996-01-22 | 1999-10-05 | Honda Giken Kogyo Kabushiki Kaisha | Remaining battery energy indicating instrument |
US6313832B1 (en) * | 1998-03-10 | 2001-11-06 | Fujitsu Limited | Remaining battery capacity display device |
DE20202143U1 (de) * | 2002-02-12 | 2002-06-20 | Giant Mfg Co | Restleistungsanzeiger für eine Akkubatterie eines elektrisch betriebenen Fahrzeugs |
US20040100225A1 (en) * | 2002-11-20 | 2004-05-27 | Neil Robert Miles | Cooling and control system for battery charging |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007053627B3 (de) * | 2007-11-10 | 2009-02-12 | Dräger Medical ANSY GmbH | Vorrichtung und Verfahren zur Ermittlung der Restnutzungsdauer eines Druckgasvorrates |
EP2977256A1 (de) * | 2014-07-24 | 2016-01-27 | Linde Material Handling GmbH | Verfahren zur steuerung einer lithiumionenbatterie eines flurförderzeugs |
Also Published As
Publication number | Publication date |
---|---|
EP1486371B9 (de) | 2018-07-25 |
US20060167609A1 (en) | 2006-07-27 |
EP1486371A3 (de) | 2010-04-14 |
EP1486371B1 (de) | 2018-04-11 |
DE10326309A1 (de) | 2004-12-30 |
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